The degree of international risk sharing matters for how monetary policy should optimally be conducted in an open economy. This is because risk sharing affects the way in which monetary policy is affected by terms of trade considerations. In a standard two-country model with monopolistic...

Differences in financial systems are often named as a prime candidate for the current state of global imbalances. This paper argues that the process of capital liberalization can explain a substantial fraction of the US net external liabilities. We present a simple two-country model with an...

We generalize a simple New Keynesian model and show that a flattening of the Phillips curve reduces the size of fiscal multipliers at the zero lower bound (ZLB) on the nominal interest rate. The factors behind the flatting are consistent with micro- and macroeconomic empirical evidence: it is a...

We study the asset-pricing implications of changes in the variety of consumption goods which happens through free entry and exit of firms. Fluctuations in varieties drive a wedge between the measured and model-based (including variety growth) consumer price index making the pricing kernel as...

The degree of international risk sharing matters for how monetary policy should optimally be conducted in an open economy. This is because risk sharing affects the way in which monetary policy is affected by terms of trade considerations. In a standard two-country model with monopolistic...

Differences in financial systems are often named as a prime candidate for the current state of global imbalances. This paper argues that the process of capital liberalization can explain a substantial fraction of the US net external liabilities. We present a simple two-country model with an...